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Omega Constellation Co-Axial Master Chronometer 29 — 131.10.29.20.02.001

Omega

Constellation Co-Axial Master Chronometer 29

131.10.29.20.02.001

Omega's refined 29 mm dress watch, certified to the highest precision standard.

Estimated market value
$3,100
Confidence: Moderate
Original retail: $6,300

An estimate from current market data — not an offer. Your actual value depends on condition, completeness, and authentication.

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Overview

The Omega Constellation Co-Axial Master Chronometer 29 is a compact, elegantly proportioned dress watch introduced in 2018 as part of the long-running Constellation collection. Its 29 mm stainless steel case and silver dial reflect the line's enduring commitment to refined femininity and understated luxury. Powering the watch is Calibre 8700, a movement that carries both COSC chronometer certification and Master Chronometer status from METAS, the Swiss Federal Institute of Metrology.

History

The Constellation collection traces its origins to the 1950s, when Omega introduced it as a showcase for precision timekeeping. The Co-Axial Master Chronometer generation, launched progressively from the mid-2010s onward, brought the family into a new era of movement technology by combining the Co-Axial escapement with METAS certification. The 29 mm reference joined this generation in 2018, offering a case size tailored to a broader range of wearers while maintaining the full suite of technical credentials shared by larger Constellation models.

Notable points

  • Calibre 8700 meets the stringent METAS Master Chronometer standard, requiring accuracy of 0 to +5 seconds per day across eight tests.
  • The movement is certified resistant to magnetic fields of 15,000 gauss, a benchmark that exceeds traditional COSC requirements.
  • At 29 mm, the stainless steel case occupies a compact footprint well suited to dress and formal contexts.
  • The silver dial continues a palette long associated with the Constellation line's classical aesthetic.
  • The Co-Axial escapement reduces friction and the need for lubrication compared with a conventional lever escapement, contributing to long-term rate stability.

Specifications

Brand
Omega
Collection
Constellation
Reference
131.10.29.20.02.001
Years of production
2018 – present
Case
29mm Stainless steel
Case material
Stainless steel
Case diameter
29 mm
Movement
Cal. 8700
Crystal
Sapphire
Dial
Silver
Bezel
Engraved Roman numeral bezel
Bracelet / strap
Steel bracelet
Water resistance
50 m
Power reserve
50 h
Complications
Date
Type
Dress
Worn as
Ladies'
Also known as
Manhattan, コンステレーション, 星座

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